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The bracket uses 2" x 12" x 3/16" for the side plates and 1 1/2" x 9 1/8" x 1/4" pieces for the cross members. The cross members are 1/2" smaller than the sides in height to assure clearance when the hull rolls on the assembly.
If your rollers are different than 9", just measure the distance between your brackets and figure accordingly. I clamped the side plates and cross members into a plywood jig to assure they remain square and welded the joints.
The center hole is located to position the bracket just 1/8" over the trailer cross member. This way it only allows about 1/2" of deflection when the weight of the boat is on just one roller (when loading or unloading) Hole size and location will depend on the type of rollers you use. Mine have a 5/8" shaft, but some are 1/2".
After welding, grinding and painting, they look like this.
The rollers are mounted on 5/8" shaft with push on end caps, available where you buy your rollers. I installed the brackets with 5/8" bolts with nylon insert locknuts. The locknuts work good here because it allows you to leave the joint a little loose to allow the bracket to swivel some.
Here's what it looks like installed.
Jack Hoying
Fort Loramie, Ohio
jmhoying @ adelphia.net
Do-It-Yourself: Adding double trailer rollers
Upgrading trailer rollers from single to double.
After switching from a H-16 to a P-18, I thought that since the 18 seemed to have more weight on the front single roller of my trailer, a second roller should be added. I made up a simple bracket that can be bolted in place of the single roller. I purchased an additional roller (in my case, 9") for each side and picked up the necessary metal at a local weld shop...If your rollers are different than 9", just measure the distance between your brackets and figure accordingly. I clamped the side plates and cross members into a plywood jig to assure they remain square and welded the joints.
The center hole is located to position the bracket just 1/8" over the trailer cross member. This way it only allows about 1/2" of deflection when the weight of the boat is on just one roller (when loading or unloading) Hole size and location will depend on the type of rollers you use. Mine have a 5/8" shaft, but some are 1/2".
After welding, grinding and painting, they look like this.
The rollers are mounted on 5/8" shaft with push on end caps, available where you buy your rollers. I installed the brackets with 5/8" bolts with nylon insert locknuts. The locknuts work good here because it allows you to leave the joint a little loose to allow the bracket to swivel some.
Here's what it looks like installed.
Jack Hoying
Fort Loramie, Ohio
jmhoying @ adelphia.net
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